VPN Client Pro – With this app, you can connect to any OpenVPN (TUN/TAP), SSTP, WireGuard, SoftEther, OpenConnect (ocserv) and Cisco AnyConnect SSL gateways.
The basic OpenVPN feature is free for everyone. To use other protocols and features, you need to purchase a license.
You don’t need to have root access because the VPN tun device is handled by the VpnService API introduced in Android 4.0 (ICS).
- OpenVPN TAP device support without root permission
- OpenVPN VLAN 802.1Q support
- Support OpenVPN Obfsproxy (obfs2/obfs3)
- Support for OpenVPN scrambling options
- Import/Export OpenVPN Configuration
- SSTP EAP-TLS support (certificate authentication)
- Support for SSTP EAP-MS-CHAPv2
- SSTP MS-CHAPv2/CHAP/PAP support
- Soft Ethernet protocol
- WireGuard Protocol
- Open Connect Protocol
- Cisco AnyConnect SSL
- Biometric authentication
- port knocking
- Connection on demand
- Automatic connection on boot
- Auto Connect/Pause/Disconnect by Wi-Fi/Mobile/WiMAX
- Application Filter
- DNS over HTTPS
- Tasker/Locale Plugin
- Widgets
- Quick Settings Tiles
- Dynamic shortcuts
- Import certificate formats pem, der, pkcs12
- Support for certificates in KeyChain
- IPv6 support
- Support for HTTP/SOCKS proxy servers
- Support for custom HTTP headers
- Configuration Backup/Restore
Source: Trash Box

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